Arkansas State Police say Northcross was helping a stranded driver on an icy Interstate 30 bridge when she went over a railing and into the river to avoid a jackknifing 18-wheeler. A second person who also went into the river was quickly rescued.

Pritchett says Arkansas Game and Fish Commission game wardens will search on Mondays, Wednesdays and Fridays during the next two to three weeks and a helicopter may be used later if Northcross' body isn't found.